Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos jogadores tiveram um total de 78?
 ###Tabelas: CREATE TABLE high_schools (high_schools_id AUTO_INCREMENT PRIMARY KEY, High School VARCHAR, Type VARCHAR, Established INT, Enrollment INT, Mascot VARCHAR, WIAA Classification VARCHAR, Notes VARCHAR) CREATE TABLE conference_tournament_championships (conference_tournament_championships_id AUTO_INCREMENT PRIMARY KEY, Tournament INT, Conference VARCHAR, Championship Game Opponent VARCHAR, Score VARCHAR, Location VARCHAR, Head Coach VARCHAR) CREATE TABLE translations (translations_id AUTO_INCREMENT PRIMARY KEY, English VARCHAR, Space Crusade VARCHAR, Aliens VARCHAR, Chaos Marines VARCHAR, Genestealers VARCHAR, Imperial Fists VARCHAR, Ultramarines VARCHAR) CREATE TABLE 2013_draft_picks (2013_draft_picks_id AUTO_INCREMENT PRIMARY KEY, Round INT, Overall VARCHAR, Player VARCHAR, Position VARCHAR, Nationality VARCHAR, Club team VARCHAR) CREATE TABLE composition_of_the_20th_seanad (composition_of_the_20th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT)  
SELECT COUNT Player FROM 2013_draft_picks WHERE Overall = 78